Doppler Radar Detects Motion Within a Supercell Thunderstorm Using the Doppler

Multiple Choice

Doppler radar detects motion within a supercell thunderstorm using the Doppler effect,which states that

A) Immobile objects will result in an increase in wavelength.
B) objects moving away from the transmitter will result in an increase in wavelength.
C) objects moving toward the transmitter will result in an increase in wavelength.
D) objects moving away from the transmitter will result in an decrease in wavelength.